TM 9-2350-247-10PREVENTIVE MAINTENANCE CHECKS AND SERVICES  Continued 0057 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:20DuringVehicleCompartmentHeaterDRIVERNOTEItem will be checked only if heater is to beused during operation.a. Check to make sure nothing is blocking thevehicle compartment heater exhaust, air inlet, orheat ducts. Check for leaks in the fuel lines. SeeWP 0002 00 for M548A3.Any fuel leak.0057 00-41